Cool
Average highs are around 14°C, so pack for cooler days.
September verdict
Summer Isles, United Kingdom in September
Weather score14Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 2.9h per day, so this is not one of the brighter months. Rainfall averages 165mm, so some wet days are possible.
September weather
Monthly averages
Temp
14°C
Rain
165mm
Sun
2.9h
Sea
13°C
Weather score
14
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 165mm, so some wet days are possible.
Limited sun
Sunshine averages 2.9h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Summer Isles, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September14°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September165mm average rain
September is wetter than Summer Isles' yearly average, so flexible plans matter more.
Driest monthsFebruary and April to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September2.9 hours average sun
September sits close to Summer Isles' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September13°C average sea
September is one of Summer Isles' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
September14 weather score
September sits close to Summer Isles' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.
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